<template>
  <div>
    <div class="todo-header">
      <input type="text" v-model="taskName" @keyup="handleKeyUp" placeholder="请输入你的任务名称，按回车键确认"/>
    </div>
  </div>
</template>

<script>
import {EventBus} from "@/common/event-bus";
import {nanoid} from 'nanoid';

export default {
  name: "Header",
  data() {
    return {
      taskName: ""
    }
  },
  methods: {
    handleKeyUp(event) {
      if (event.keyCode === 13) {
        if (this.taskName !== "") {
          EventBus.$emit("addTodo", {
            id: nanoid(),
            name: this.taskName,
            done: false
          });
        }
      }
    }
  }
}
</script>

<style scoped>
/*header*/
.todo-header input {
  width: 560px;
  height: 28px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 4px 7px;
}

.todo-header input:focus {
  outline: none;
  border-color: rgba(82, 168, 236, 0.8);
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(82, 168, 236, 0.6);
}
</style>